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ICE Princess25 [194]
3 years ago
8

sqrt{45}" align="absmiddle" class="latex-formula">
Mathematics
1 answer:
FinnZ [79.3K]3 years ago
4 0

Answer:

\sqrt{3} + \sqrt{15}

Step-by-step explanation:

\sqrt{(\sqrt{3}+\sqrt{15})^{2} }

\sqrt{3} + \sqrt{15}

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Arthur started school in 1969. He is still living. If he was 7 years old when he started school, how old was he in 1980?
scoray [572]
He would be 18 in 180
4 0
3 years ago
80% of Vanessa's final grade is based on the average score of her quizzes, which is 73.
Misha Larkins [42]
80% of quizzes + 20% of final = final grade

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8 0
3 years ago
What is the measure of ∠L?
otez555 [7]
<h3>Answer:  72.54</h3>

====================================================

Explanation:

We set up a cosine ratio, since we want to connect the adjacent and hypotenuse. Then we'll use the inverse cosine, which is also known as arccosine, to isolate the angle value.

This is what your steps could look like:

cos(angle) = adjacent/hypotenuse

cos(L) = LM/LN

cos(L) = 18/60

cos(L) = 0.3

L = arccos(0.3)

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L = 72.54 degrees approximately

Make sure your calculator is in degree mode.

8 0
2 years ago
Which term best describes the system of equations?
Oduvanchick [21]

Answer:

  coincident

Step-by-step explanation:

The first equation is 3 times the second equation, so describes exactly the same line. The lines are "coincident".

7 0
3 years ago
The perimeter of a rectangle is 26 cm. The rectangle has a length of 8 cm. What is the width of the rectangle?
zvonat [6]

Answer:

A. 2(8)+2(w)=26

B. 16+2w=26

Subtract 16 from both sides of the equation

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Divide both side by 2

The width is 5

Step-by-step explanation:

3 0
3 years ago
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